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updated to look for isfinite finite and isnan

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git-svn-id: svn://136.177.114.72/svn_GW/IPhreeqc/trunk@4647 1feff8c3-07ed-0310-ac33-dd36852eb9cd
This commit is contained in:
Scott R Charlton 2010-07-16 00:03:46 +00:00
parent 41693b0243
commit 316ade72bd
1 changed files with 30 additions and 0 deletions
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30
configure.ac
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@ -72,6 +72,36 @@ AC_CHECK_FUNCS([floor], , AC_CHECK_LIB(m, floor, , AC_ERROR([cannot find floor
AC_CHECK_FUNCS([pow], , AC_CHECK_LIB(m, pow, , AC_ERROR([cannot find pow])) )
AC_CHECK_FUNCS([sqrt], , AC_CHECK_LIB(m, sqrt, , AC_ERROR([cannot find sqrt])) )
# isfinite
AC_LANG_PUSH(C++)
AC_CACHE_CHECK([for isfinite], ac_cv_isfinite,
[AC_TRY_LINK([#include <math.h>],
[double x; int y; y = isfinite(x);],
ac_cv_isfinite=yes,
ac_cv_isfinite=no
)])
if test x"$ac_cv_isfinite" = x"yes"; then
AC_DEFINE(HAVE_ISFINITE, [], [Has isfinite])
fi
AC_LANG_POP(C++)
# finite
AC_LANG_PUSH(C++)
AC_CACHE_CHECK([for finite], ac_cv_finite,
[AC_TRY_LINK([#include <math.h>],
[double x; int y; y = finite(x);],
ac_cv_finite=yes,
ac_cv_finite=no
)])
if test x"$ac_cv_finite" = x"yes"; then
AC_DEFINE(HAVE_FINITE, [], [Has finite])
fi
AC_LANG_POP(C++)
# isnan
AC_CHECK_FUNCS([isnan], , AC_CHECK_LIB(m, isnan))
AC_CONFIG_FILES([
Makefile
src/Makefile